Deepest underwater concert contained

According to Official Guinness Records,

The deepest concert was performed by Katie Melua (UK) and her band at 303 m (994 ft) below sea level, on Statoil's Troll A gas rig, off the coast of Bergen, Norway, on 1 October 2006. Ms Melua performed two, 30-minute concerts to an audience of 20 oilrig workers, each of whom had won the ticket to see the performance.

For a complete list of 2006 records, please visit 2006 Guinness Records in Norway.

Other Norway records that might interest you:

• Highest slackline walk
• First advertisement in 3D made for cinema
• Fastest helicopter speed over 100 km closed circuit
• Farthest distance to shoot a grape from the mouth
• Oldest married couple, aggregate age